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Finding the Fourth Proportional to 19,504.04, 26,904.03 and 11,953.76

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Solution

The fourth proportional to 19,504.04, 26,904.03 and 11,953.76 is: 16,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,504.04 : 26,904.03 = 11,953.76 : x
  2. Step 2: Convert to fraction form
    19,504.04/26,904.03 = 11,953.76/x
  3. Step 3: Cross multiply
    19,504.04x = 26,904.03 × 11,953.76
  4. Step 4: Simplify right side
    19,504.04x = 321,604,317.65
  5. Step 5: Solve for x
    x = 321,604,317.65/19,504.04
  6. Step 6: Final answer
    x = 16,489.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.